Las Vegas is the most populous city in the U.S. state of Nevada, the seat of Clark County, and an internationally renowned major resort city for gambling, shopping, fine dining, and entertainment. More on the City of Las Vegas byWikipedia

The Las Vegas Strip is an approximately 3.8 mi (6.1 km) stretch of Las Vegas Boulevard South in Clark County, Nevada. A small portion of the Strip lies in Las Vegas, but most of it is in the unincorporated areas of Paradise and Winchester. Most of "the Strip" has been designated an All-American Road. Check wikipedia for the full article.

The Las Vegas metropolitan area, also known as the Las Vegas-Paradise-Henderson Metropolitan Statistical Area, is a metropolitan area in the southern part of the U.S. state of Nevada, consisting of Clark County. Please find the full article by wikipedia here.